Fluid-pump.



G. LEESON'.

FLUID PUMP.

APPLIOATION FILED MAY 31, 1913.

1,091,067. Patented Mar. 24, 1914 A 2 SHBBTB-SHEBT 1 '1 l X A I l A l l H i UNITED STATES PATENT OFFICE.

GEORGE LEESON, 0F DELTA, COLORADO.

FLUID-PUMP.

To all whom it may concern: I

Be it known that I, GEORGE LEESON, a citizen of the United States, residing at Delta, in the county of Delta and State of Colorado, have invented certain new and useful Improvements in Fluid-Pumps, of which the following is a specification, reference being had to the accompanying drawings.

This invention relates to pumps, and has for its primary object to provide means whereby water and other fluids may be ele vated at very small operating cost.

Another and more specific object of the invention resides in the provision of a pair of cylinders arranged in the well, a plunger to operate in each of the cylinders, and a discharge pipe connected to each of the plungers, and a connection between each cylinder and the plunger which operates in the other cylinder whereby the plungers are balanced and the power necessary to operate the same thereby minimized.

The invention has for a further obj ect to produce a pump or fluid elevator which consists of very few parts, all of simple form, highly durable and eflicient in operation, and which will quickly elevate large quantities of water with a comparatively small expenditure of operating power.

With the above and other objects in view, this invention consists in the novel features of construction and the combination and arrangements of parts to be hereinafter more fully described, pointed out in the claim, and shown in the accompanying. drawings.

For a full understanding of the invention, reference is to be had to the accompanying drawings and following description, in which Figure 1 is a side elevation of a pump embodying the present invention in its preferred form. Fig. 2 is an enlarged vertical section through the pump cylinders and pistons or plungers which are arranged there in. Fig. 3 is a section taken on the line 33 of Fig. 2.

Referring in detail to the drawings, and more particularly to Figs. 1 to 3 thereof, W indicates a well or other source of water supply. Upon the ground surface, a suitable platform 5 is arranged over the well opening, said platform being provided with spaced openings 6 to accommodate the ver tically movable water elevating and dis- Specification of Letters Patent.

Application filed May 31, 1913.

Patented Mar. 24, 1914. Serial No. 771,105.

charge pipes 7. The lower ends of these pipes are threaded or I'detachably connected to the removable heads 9 of the plungers or p stons 8. These pistons are adapted to reciprocate in the cylinders 10, which are mounted in a suitable supporting frame 11 arranged in the bottom of the well.

12 indicates a brace rod bet-ween the cylinders 10 which, however, may be eliminated if desired.

The lower ends of the cylinders 10 have heads 13 threaded thereon which are provided with openings 14 to coincide with the openings 15 in the supporting frame 11. A suction operated valve disk 16 is arranged in the lower end of each of the cylinders 10, the stem 17 of said valve disk being movable in the spiders l8 and 19 provided respectively in the cylinder 10 and the opening 14 of the head 13, Each of the cylinders is further provided adjacent its lower end with a lateral outlet nipple 20, to which one end of a flexible tube 21 is connected. The other end of said tube is connected to a laterally disposed nipple 22 formed upon the wall of the hollow piston 8 which operates in the opposed cylinder 10.

Each of the pistons Sis provided with a horizontal wall 23 adjacent the nipple 22, thereby forming an air chamber 24 in the lower portion of the piston. Above the partition wall 23 and the nipple 22, a spider 25 is formed in the hollow piston to receive the stem 27 of a valve 26, the said stem being also mounted in a second spider 28 arranged above and in spaced relation to the spider 25.

A water receiving trough or hopper 29 is centrally mounted upon the platform 5 and upon the same a walking beam 30 is fulcrumed, as shown at 31. 32 designates a pitman which is pivotally connected to one end of this walking beam and extends to a windmill or other suitable source of power. Links 38 are pivotally connected to the beam 30 at equi-distantpoints from its fulcrum 31, and are attached to the respective water elevating pipes 7 by means of the clamping device 3 1. The upper ends of the pipes 7 .are extended inwardly so as to discharge the water or other fluid into the hopper or trough 29.

From the above construction, it will be readily seen that the hollow pistons or plungers 24 are reciprocated in opposite directions in the respective cylinders 10 by the oscillation of the walking beam 80. In the upward movement of one of the pistons, the valve 16 is drawn to its open position and the water or other'fluid drawn upwardly into the cylinder 10. In the reverse or downward stroke of the hollow piston 8, the fluid is forced out of the cylinder 10 through the nipple 20 and conveyed by means of the pipe 21 to the opposed hollow piston 8, where it enters the same above the partition wall 23, and by its upward pressure moves the valve 26 in said piston to its open position. The fluid passes through this valve and moves upwardly into the pipe 7. It is of course, understood that in the downward stroke of each piston, thevalve 16 is forced by the be seen that the quantity of water passing upwardly through the pipe 7 is at all times equalized so that said pipes are balanced by the weightvof water therein.

From the foregoing, it will be seen that I have produced a fluid pump or elevator which consists of comparatively few elements and will, therefore, be very efficient and reliable in actual use.

While I have shown and described the preferred construction and embodiment of the several elements employed, it is to be understood that the invention is susceptible of a great many modifications therein, and I therefore reserve the rightto resort to all such legitimate changes as may be fairly Copies of this patent may be obtained for embodied within the spirit and scope of the appended claim.

Having thus described my invention, what is claimed, is:

In a fluid pump, a pair of cylinders, pistons to operate in the respective cylinders, water elevating pipes detachably connected to the upper ends of the pistons, a suction valve mounted in the lower end of each cylinder and opened in the upward movement of the piston therein, each of said pistons being provided with an internal horizontal wall dividing the same into upper and lower chambers, a fluid pressure valve mounted in the upper chamber, said piston being provided with a nipple projecting laterally from the lower end of said chamber, each of the piston cylinders having an outlet nipple adjacent its lower end, a conducting tube connecting the nipple of one cylinder with the nipple of the piston in the other cylinder whereby fluid is discharged into the upper chamber of each piston and the pressure valve unseated in the downward stroke of the other piston to permit the water to enter the elevating pipe, and operating means connecting the water elevating pipes for reciprocating the pistons in relatively opposite directions.

In testimony whereof I hereunto aflix my signature in the presence of two witnesses.

GEO. LEESON.

Witnesses M. C. LYDDANE, J OSEPI-I C. ZIRKLE.

five cents each, by addressing the Commissioner of fPatents, Washington, D. G. 

